glutathione depletion and oxidative stress Mitochondrial in Cellular Redox Homeostasis Disease Manifestation Frontiers | Glutathione: A Samsonian
Description
The most probable cause is a confounding variable

Effect of a Topical Collagen Tripeptide on Antiaging and Inhibition of Glycation of the Skin: A Pilot Study

Common mild experiences may include temporary redness at injection sites or mild fatigue as the body adjusts to restored signalling
And 63% achieved at least 20% weight loss
